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The Radium FCST-X Fill Neck Block-Off Kit is a fuel fill block-off plate made for Radium Engineering FCST-X surge tanks. It provides a tidy closure for fill openings on the surge tank when a fill neck is not required or when sealing off a factory opening is desired, matching the FCST-X tank design for a clean installation.
Radium Engineering FCST-X Fill Neck Block-Off Kit
